* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

body {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    width: 100%;
    max-width: 400px;
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.login-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

.form-group:nth-child(1) {
    animation-delay: 0.1s;
}

.form-group:nth-child(2) {
    animation-delay: 0.2s;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
}

.form-group input:focus {
    border-color: #1890ff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.2);
    background-color: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input {
    margin-right: 8px;
}

.forgot-password {
    color: #1890ff;
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.login-button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, #1890ff, #36c1ff);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(24, 144, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.login-button:hover {
    background: linear-gradient(90deg, #0c80e6, #1890ff);
    box-shadow: 0 6px 20px rgba(24, 144, 255, 0.4);
    transform: translateY(-2px);
}

.login-button:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(24, 144, 255, 0.2);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}

.login-footer a {
    color: #1890ff;
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .login-container {
        padding: 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .forgot-password {
        margin-top: 10px;
    }
}
